______ knowledge a man has，______it is for him to get a good job.

A.The more;more difficult

B.The less;the easier

C.The more;easier

D.The less;the more difficult

____ knowledge is better than ___ wealth.

         A.The…the    B.A…the    C.The…a    D./…./

Knowledge and learning are important if we want to be successful, but they may also ______ our thinking.

Knowledge and learning are important if we want to be successful,  but they may also ________our thinking.

__________knowledge comes from practice is known to all.